Balance and exercise shaft



FIG. 1 is a perspective view of a first embodiment of a balance and exercise shaft in accordance with the design;

FIG. 2 is a side view of the balance and exercise shaft of FIG. 1;

FIG. 3 is a top view of the balance and exercise shaft of FIG. 1;

FIG. 4 is a perspective view of a second embodiment of a balance and exercise shaft in accordance with the design;

FIG. 5 is a side view of the second embodiment of the balance and exercise shaft of FIG. 4;

FIG. 6 is a top view of the balance and exercise shaft of FIG. 4;

FIG. 7 is a perspective view of a third embodiment of a balance and exercise shaft a in accordance with the design;

FIG. 8 is a side view of the third embodiment of the balance and exercise shaft of FIG. 7; and,

FIG. 9 is a top view of the balance and exercise shaft of FIG. 7. 

The ornamental design of a balance and exercise shaft, as shown and described. 